Fixture mounting



May 11, 1943. I w s I 7 2,319,175

FIXTURE MOUNTING Filed Jan. 23. 1943 Patented May 11, 1943 UNITED STATES PATENT OFFICE FIXTURE MOUNTING Alva B. Winters, Chicago, Ill., assignor to Revere Electric Manufacturing Co., Chicago, Ill.

' Application January 23, 1943, Serial No. 473,376

3 Claims. (Cl. 285-,-6.5)

The invention relates to means for mounting reflectors upon pipe ends and similar supports, and particularly aims to facilitate the emplacement and removal of a reflector without requiringthe dismounting of the lamp receptacle or socket,'and without disturbing or exposing any of the electrical connectors or conductors in the receptacle or extending from the fixture pipe or the like, to the receptacle.

It is an important aim of the invention to enable the mounting in such manner of reflectors in which the centralpart is simply apertured and formed with a flange to be secured for the mounting of the reflector around the receptacle and lamp engaged with the receptacle.

It is a further important aim of the invention to enable such mounting of reflectors having ex- A further important aim is to present sucha mounting Whichcan be quickly manipulated for removal or emplacement of reflectors, and which will afford a very secure and rigid mounting of the reflector with a minimum of effort on the part of the workman. It is at the same time an 5 important attainment of the invention that it is made satisfactorily weather-tight and dust-proof, and is liable in a minimum degree to damage or derangement.

Additional objects, advanta es, and features of invention reside inthe construction,arrangement and combination of parts involved in the embodiment of the invention, as will be more readily understood from the following description and accompanying drawing, wherein Figure 1 is anelevational view of a typical lamp structure in which my invention is embodied,

. Figure 2 is an' enlarged longitudinal sectional view of the reflector neck element and securing device at the end of a fixture pipe, on the line 22 of Figure 3.

' Figure 3 is a cross section on theline 3-3 of Figure 2. I v

Figure 4 is a cross section on the line 4-4 of Figure 2. i

Figure 5 is a bottom view of the mounting assembly on the end of a fixture pipe, with the reflector device omitted.

Figure 6 is a detail perspective view of the keycollar or plate,

Referring to the drawing, there is illustrated a portion of tubular pipe conduit or fixture pipe ID, or other mounting or support upon which my invention may be incorporated, this conduit element having an interior passage l I therethrough,

through which usual electrical conductors such as wire, cable or the like may be drawn, as re-, quired. The extremity of the conduit is external- 1y threaded in a conventional way, and screwed thereupon there is a base adapter element I 2', comprising a sleeve-like body or bushing, internally threaded to screw snugly upon the conduit l0, and also externally threaded for a distance from its inner extremity on the conduit. 'Immerdiately at the end of the conduit, the base mem ber I2 is enlarged to form a hexagon nut portion I3, and immediately beyond is further enlarged to provide a circular flange l4,'i'n a plane at right angles to theopposite of the bushing portion I2; Suitable openings are formed through the nut portion l3 and flange portion to receive screws l5 i-by which a conventional lamp receptacle base 16 is secured snugly against the flange l 4. In the present instance the flange and" the receptacle base 16 are shown as-being circular in form." receptacle body portion I1 is also shown, which may be attached to the base portion l6 in a conventional way, the interior construction'of the base l6 andreceptacle l l comprising no novel part of this, invention, and 'therefore being not illustrated herein. p h I 7 v I The face of the basemounting next to the re-? ceptacle base [6 is partly relieved, as at I8, leav ing landpjortions l9, through which the screws l5 pass to engage the receptacle base I6, so that the latter may be drawn forcibly against the'lands l9 for a rigid assembly of the parts, as will be readily understood. The receptacle l1 and base [6 are available in stock sizes upon the market, and the diameterof the flange portion [4 is preferably made to conform to the standard sizes according to the size of the lamp to be used. A reflector 2B of conventional form is shown, em; bodying a usual parabolic design, and having a lens 2| secured therein in ,any conve t '1 way.. Either formed. with; or' attached inner part .of. the reflector 2B, the e, tubular neck portion 22, this being' usually formed separately from the reflector and attached thereto, as. well understood in th'e'art. The inner part of this neck portion extends in;

interposed between the flange Mandthe flange- 23 of the reflector neck 22. This collar is formed with a wide slot having parallel sides, and extending inwardly from one side of the collar beyond the axis of the collar, this slot being of a width to snugly fit and receive therebetween opposite faces of the hexagon nut portion I3 of the base piece I2, and the inner end of the slot is formed with two corresponding faces adapted to fit against the intervening faces of the nut at the inner end of the slot. The collar is formed on its outer side with two lugs 28, adapted to engage against the sides of the receptacle base I6 when the inner end of the slot 26 is engaged snugly against the nut portion I3. 25 is of a diameter considerably greater than that of the flange I4 and of the opening within the flange 23 of the reflector, so that it may rest against or lap the inner edge portion of the flange 23, as shown in Figures 2 and 4. The collar 25 is formed with a circular boss on its inner side, adapted to engage within the opening formed by the flange 23, so as to center the neck of the reflector upon the collar, and the lug 28 serves to hold the collar against withdrawal while the inner end of the slot 26 checks the .collar against movement in the opposite direction, and consequently centers the collar upon the flange I4 and lamp receptacle base, as will be understood. A clamping nut or collar 30 is provided, substantially cup-shaped, and having therethrough an interiorly threaded opening adapted to be screwed upon the external part of "this collar having an outwardly curved flange portion 3|, finished with a planiform outer face adapted to engage snugly against the flange 23 of the reflector outwardly of the boss 29 and in alinement with the underlying portion of the collar 25 within the reflector neck. Suitable gaskets 32 are interposed between the collar and reflector flange 23, and between the flange SI of the clamping collar and the flange 23, as shown.

With the parts assembled as described, and the clamping collar 30 screwed snugly against the gasket and flange 23, the receptacle will be held rigidly in coaxial relation with the receptacle H, In case it is necessary to remove the reflector, the clamping collar 30 is unscrewed until it clears the bushing portion of the base I2, and the collar 30 then backed and moved slidably away, upon the fixture pipe I or the like, and the reflector itself also moved' in the same direction, until the receptacle passes inwardly of the reflector 22. The collar may then be pushed upwardly slightly, so as to clear the lug 28 from the side of the flange I4, and then pressed laterally so that it is backed away from the nut portion I3, the latter moving through the slot 26 until the collar may be withdrawn. Thereafter the reflector may be drawn downwardly without interference of any part of the mounting or the receptacle and its base. In case of the use of a large electric lamp of the familiar type in which the bulb is considerably enlarged, the lamp will have to be removed from the receptacle I'I before the reflector can be completely withdrawn, as is readily understood.

In the initial assembly of the parts, the base adapter I2, with the clamping collar 30 thereon may be screwed upon the pipe II], by the application of a wrench to the nut portion I3, while the collar 25 and the reflector parts are out of the way. The collar 30 being then backed oil of the Working portion of the base I2, the outer gasket, the reflector and the inner gasket may be introduced over the receptacle I1 and its base,

The collar.

and the flange I 4, and the reflector moved inwardly upon the pipe or other conduit element III a suflicient distance to permit insertion of the collar 25 between the flange I4 and the inner ends of the neck 22 of the reflector, the slot 26 being presented so as to pass beside the nut portion I3 of the base I2, and being pushed inwardly therearound until the lugs 28 pass beyond the flange and the far side. The reflector is then drawn downwardly with the outer gasket, until the latter and the flange 23 fit snugly around the boss 29 of the collar 25, after which the outer gasket and the clamping collar 30 are brought into engagement with the flange 23 by screwing of the collar downwardly upon the bushing portion of the base I2 until the clamping collar I2 clamps the flange 23 between the gasket and against the collar 25, as may be appreciated.

In case of need for renewal of the socket I'I, its base I6, or repair of conductor connectors with the base I6, the collar 30 is loosened and the reflector moved upwardly upon the pipe as before described, so as to permit removal of the collar 25, after which access may be had to the screws I5 from the inner side of the device, after removal of the reflector 22 and necessary connections then carried out, as will be readily understood by those versed in the art. The adapter base I 2 may be made with a larger or smaller internal opening therethrough, suitably threaded to engage various stock sizes of pipes used in electrical installations, but the other-parts of the device may remain in the same size as indicated so that the same reflector may be mounted upon various sizes of pipe by supplying adapter bases I2 with the proper inner openings suitably threaded.

While I have described my invention with great particularity in the best form known to me, it will be understood that this is purely exemplary, and that various changes in the construction,

arrangement and form of parts, substitution of materials, and mechanical equivalents, may be made without departing from the spirit of the invention, as more particularly set forth in the appended claims.

I claim:

1. A mounting of the character described comprising a base element interiorly apertured and constructed to engage upon a conduit element, and having a lateral flange, a radially slotted collar constructed to engage slidably around the base element inwardly of the flange, centering means coengaging between the collar and flange when pressed together and having clearing relation when the collar and flange are spaced, anda .clamping nut on the base inwardly of the collar and having parts alined with the outer part of said collar for clamping of an interposed piece to be mounted having an opening larger than said flange.

.2. The structure of claim 1 for mounting reflectors in which a reflector is provided having a central inner opening adapted to receive said flange therethrough, said collar and said nut being larger than said opening in said reflector.

3. The structure of claim 1 including centering means on the collar to engage the opening in the piece to be mounted.

ALVA B. WINTERS. 

